Chatuchak Market is popular for thais and tourists. It is also known as Jatujak or J.J. by locals. Chatuchak Market is open on Saturdays and Sundays, 09:00 – 18:00, and Fridays 18:00 – 24:00. It is largest outdoor market in Thailand, and more than 8,000 market stalls. It is selling everything, such as clothes, books, and pets.